Date: Tue, 31 Jan 2012 15:53:54 +0000 (UTC) From: Grzegorz Bernacki <gber@FreeBSD.org> To: src-committers@freebsd.org, svn-src-projects@freebsd.org Subject: svn commit: r230827 - projects/armv6/sys/arm/arm Message-ID: <201201311553.q0VFrsGe043358@svn.freebsd.org>
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Author: gber Date: Tue Jan 31 15:53:54 2012 New Revision: 230827 URL: http://svn.freebsd.org/changeset/base/230827 Log: Properly update mp_naps and smp_cpus. Obtained from: Marvell, Semihalf Modified: projects/armv6/sys/arm/arm/mp_machdep.c Modified: projects/armv6/sys/arm/arm/mp_machdep.c ============================================================================== --- projects/armv6/sys/arm/arm/mp_machdep.c Tue Jan 31 15:53:11 2012 (r230826) +++ projects/armv6/sys/arm/arm/mp_machdep.c Tue Jan 31 15:53:54 2012 (r230827) @@ -145,12 +145,11 @@ init_secondary(int cpu) set_stackptrs(cpu); /* Signal our startup to BSP */ - mp_naps++; - cpu_dcache_wbinv_all(); + atomic_add_rel_32(&mp_naps, 1); /* Spin until the BSP releases the APs */ while (!aps_ready) - cpu_dcache_wbinv_all(); + ; /* Initialize curthread */ KASSERT(PCPU_GET(idlethread) != NULL, ("no idle thread")); @@ -159,7 +158,7 @@ init_secondary(int cpu) mtx_lock_spin(&ap_boot_mtx); - atomic_store_rel_int(&smp_cpus, 1); + atomic_add_rel_32(&smp_cpus, 1); if (smp_cpus == mp_ncpus) { /* enable IPI's, tlb shootdown, freezes etc */
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